These diseases are all very rare, and usually cause skin disease at other body locations too. (theveterinaryexpert.com)
Proper exercises for improving your bone health need to target a certain body location and be of a certain intensity to effectively increase bone density. (tctmed.com)
Brain scans showed that the subjects were accessing the vestibular cortex, which controls our sense of balance and awareness of body location. (scientificamerican.com)